The short version The archive turns up 352 records, most of them around Suburban United States and 1950s museum. 223 are confidently dated; the other 129 are educated guesses — about as precise as it sounds. 351 are free to use; 1 is restricted.
Woman in White Dress, Suburban Garden, 1950s
1950–1959
Ausable Chasm, New York, 1950s
1950–1959 · Ausable Chasm, New York
Rural Church in Winter, 1950s New England
1950–1959 · Rural New England
Cascade in a Rocky Gorge, 1950s
1950–1959
Grand Canyon of the Yellowstone, Winter Aerial View, 1950s
1950–1959 · Grand Canyon of the Yellowstone, Wyoming
Mountain Waterfall in Canyon, 1950s
1950–1959
Taney County Historical Marker, Missouri, 1950s
1950–1959 · Taney County, Missouri
Woman at Garden Wall, 1950s
1950–1959
Palazzo Vecchio from the Uffizi Gallery, Florence, 1950s
1950–1959 · Florence, Italy
Municipal Pool, 1950s Tropics
1950–1959 · Tropical resort town or Central American municipality
Tourist Overlook at a Tilted Rock Formation, Spain, 1950s
1950–1959 · Spain (rural mountain overlook)
Corsage and Blue Coat, Suburban Lawn Portrait, 1950s
1950–1959 · Suburban United States
Gorge Overlook with Distant Suspension Bridge, Letchworth State Park, 1950s
1950–1959 · Letchworth State Park, New York
Polka-Dot Dress on the Dunes, Seaside Holiday, 1950s
1950–1959
Great Egret at the Backyard Pool, Florida, 1950s
1950–1959 · Florida
Girl in Yellow Tulle Gown, Night Flash Portrait, 1950s
1950–1959
Peak Colour on Kodachrome: An Autumn Hillside, 1950s
1950–1959 · Eastern United States
Roadside Waterfall Snapshot, Western Mountains, 1950s
1950–1959
Man in Bow Tie Beside a Peanut Stack, Southern Farm, 1950s
1950–1959 · Southern United States (coastal plain, peanut-growing region)
Christmas Morning Gift-Opening with Boxed Bible, 1950s
1950–1959
Teaching a Spaniel to Shake Hands, Suburban Backyard, 1950s
1950–1959 · Suburban United States
Girl in Floral Dress with Siamese Cat, Backyard Portrait, 1950s
1950–1959
Cherry Blossom Sunday Best, Washington D.C., 1950s
1950–1959
Ancient Terracotta Horse-Head Fragment, Study Photograph, 1950s
1950–1959
Bride and Groom Before a Gold Mosaic Wall, 1950s Wedding Portrait
1950–1959
Harvest Fashion Portrait in a Dried Cornfield, 1950s
1950–1959
Christmas Morning Ambush by the Aluminum Tree, 1950s
1950–1959
Three Bathers on a Lido Pontoon, Mediterranean Resort, 1950s
1950–1959
Baby on Floral Sofa with Sansevieria Plant, 1950s
1950–1959
Boy Beside a Bare Sapling With a Hung Apple, 1950s Backyard
1950–1959
Lily Ponds and Sunday Visitors, Formal Water Garden, 1950s
1950–1959 · Formal botanical garden, possibly northeastern United States
Young Man Mid-Sentence at a Leaded Window, England, 1950s
1950–1959
Bride at the Altar Rail, Parish Church, 1950s
1950–1959
Sunday Best in the Sunken Garden, 1950s
1950–1959 · Butchart Gardens, Victoria, British Columbia
Woman at a Scenic Overlook Guardrail, 1950s
1950–1959
Choir Robe Portrait in a Backyard, 1950s
1950–1959
Visitor in Red Blazer at Mount Vernon's Piazza, 1950s
1950–1959
Tourist at Windsor Castle's Round Tower, England, 1950s
1950–1959
Bride and Groom at the Altar, 1950s Church Wedding
1950–1959
Courtyard Staircase, Southern Italy, 1950s
1950–1959 · Southern Italy (Amalfi Coast or Capri, probable)
Refreshment Table Aboard an Excursion Ferry, 1950s
1950–1959
Family Portrait at the U.S. Capitol East Front, 1950s
1950–1959
Backyard Portrait in Sunday Clothes, Suburban America, 1950s
1950–1959
Woman in Black Suit on Autumn Country Road, 1950s
1950–1959 · Rural United States
Father Kneels to Steady Toddler in Bonnet, Backyard, 1950s
1950–1959
Mother and Two Children on Lawn, Sunday Best, 1950s
1950–1959
Cutting the Cake, Suburban Party, 1950s
1950–1959
Backyard Portrait in Cat-Eye Sunglasses, 1950s Suburbia
1950–1959 · American suburb
certain
inferred
low confidence